Using the Circle Technique. 1  1. Place the shoes on a flat surface. 2  2. Tie a basic knot. 3  3. Tie another knot, but donât tighten it.  4. Thread one shoelace into the 1  circle. 5. Thread the other shoelace into the circle.  6. Pull the bunny ears tight.
The caffeine in coffee can also contribute to stomach pain through several different means. Caffeine stimulates the central nervous system, which can cause the stomach to produce excess stomach acid. This excess stomach acid can contribute to gastritis or ulcer formation.
Coffee can cause constipation. Because coffee is a diuretic it can cause people to become dehydrated; a lack of fluid in an individualâs body causes constipation. Drinking coffee over a period of time can stain a personâs teeth. Coffee has a similar affect on teeth as nicotine.